Quiz about Nature of Science

Question 1

Constant

Accepted Answer

Something that is kept the same throughout an experiment.

Answer

A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.

Answer

A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.

Answer

A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn

Question 2

Control Group

Accepted Answer

A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.

Answer

Something that is kept the same throughout an experiment.

Answer

A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.

Answer

A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn

Question 3

Data Table

Accepted Answer

A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.

Answer

Something that is kept the same throughout an experiment.

Answer

A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.

Answer

A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn

Question 4

Experiment

Accepted Answer

A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn

Answer

Something that is kept the same throughout an experiment.

Answer

A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.

Answer

A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.

Question 5

Inference...

Accepted Answer

Educated guesses to explain what has been observed based on your prior knowledge and experiences.

Answer

The diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.

Answer

A systematic process that uses various types of data, logic, and reasoning to better understand something or answer a question.

Answer

A recreation of an object or phenomenon to explain what or how something happens.

Question 6

Inquiry...

Accepted Answer

The diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.

Answer

Educated guesses to explain what has been observed based on your prior knowledge and experiences.

Answer

A systematic process that uses various types of data, logic, and reasoning to better understand something or answer a question.

Answer

A recreation of an object or phenomenon to explain what or how something happens.

Question 7

Investigation...

Accepted Answer

A systematic process that uses various types of data, logic, and reasoning to better understand something or answer a question.

Answer

Educated guesses to explain what has been observed based on your prior knowledge and experiences.

Answer

The diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.

Answer

A recreation of an object or phenomenon to explain what or how something happens.

Question 8

Model...

Accepted Answer

A recreation of an object or phenomenon to explain what or how something happens.

Answer

Educated guesses to explain what has been observed based on your prior knowledge and experiences.

Answer

The diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.

Answer

A systematic process that uses various types of data, logic, and reasoning to better understand something or answer a question.

Question 9

Repeated Trials...

Accepted Answer

Multiple attempts to observe or record a measurement of a particular phenomenon to improve precision.

Answer

Use of the five senses or instruments to gather data or information.

Answer

To tell what you think will happen in advance based on information you already know

Answer

An event, condition, or factor that can be changed or controlled to test a hypothesis in a scientific experiment.

Question 10

Observation...

Accepted Answer

Use of the five senses or instruments to gather data or information.

Answer

Multiple attempts to observe or record a measurement of a particular phenomenon to improve precision.

Answer

To tell what you think will happen in advance based on information you already know

Answer

An event, condition, or factor that can be changed or controlled to test a hypothesis in a scientific experiment.

Question 11

Prediction...

Accepted Answer

To tell what you think will happen in advance based on information you already know

Answer

Multiple attempts to observe or record a measurement of a particular phenomenon to improve precision.

Answer

Use of the five senses or instruments to gather data or information.

Answer

An event, condition, or factor that can be changed or controlled to test a hypothesis in a scientific experiment.

Question 12

Variable...

Accepted Answer

An event, condition, or factor that can be changed or controlled to test a hypothesis in a scientific experiment.

Answer

Multiple attempts to observe or record a measurement of a particular phenomenon to improve precision.

Answer

Use of the five senses or instruments to gather data or information.

Answer

To tell what you think will happen in advance based on information you already know

Question 13

Conclusion...

Accepted Answer

The final outcome based on the results from your experiment.

Answer

Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.

Answer

The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.

Answer

A way of knowing, or a process for systematically investigating the natural world. This does not have to follow a rigidly defined method, but it does involve the use of observations and explanations must be linked with evidence.

Question 14

Making Connections...

Accepted Answer

Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.

Answer

The final outcome based on the results from your experiment.

Answer

The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.

Answer

A way of knowing, or a process for systematically investigating the natural world. This does not have to follow a rigidly defined method, but it does involve the use of observations and explanations must be linked with evidence.

Question 15

Procedure...

Accepted Answer

The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.

Answer

The final outcome based on the results from your experiment.

Answer

Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.

Answer

A way of knowing, or a process for systematically investigating the natural world. This does not have to follow a rigidly defined method, but it does involve the use of observations and explanations must be linked with evidence.

Question 16

Science...

Accepted Answer

A way of knowing, or a process for systematically investigating the natural world. This does not have to follow a rigidly defined method, but it does involve the use of observations and explanations must be linked with evidence.

Answer

The final outcome based on the results from your experiment.

Answer

Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.

Answer

The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.

Question 17

Reflection...

Accepted Answer

A process of thinking back on what we did as a way to improve things we do in the future

Answer

The final outcome based on the results from your experiment.

Answer

Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.

Answer

The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.

Question 18

Hypothesis...

Accepted Answer

A guess about what you expect you will observe before you conduct your experiment

Answer

The final outcome based on the results from your experiment.

Answer

Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.

Answer

The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.

Question 19

Why do scientists write the results of their investigation in science journals?

Accepted Answer

To communicate and share their findings so that others can do the same investigation and get similar results.

Answer

They want others to support their opinions.

Answer

It is required for being a scientist.

Answer

To show others what they are doing wrong.

Question 20

For what can scientists use the data in the graph?

Accepted Answer

evidence

Answer

conclusion

Answer

investigation

Answer

opinion

Question 21

Scientists conduct different kinds of investigations. Which of the following describes why Hannah's investigation was NOT an experiment?

Accepted Answer

Hannah did not collect and record data.

Answer

Hannah did not conduct a controlled test.

Answer

Hannah did not show her information in a graph

Answer

Hannah observed only three different weather features.

Question 22

Which statement is an opinion and NOT scientifically testable?

Accepted Answer

Computers never really help people.

Answer

Giraffes grow taller than zebras

Answer

Venus is the second planet from the sun.

Answer

Water on Earth occurs as a solid, liquid, or gas.

Question 23

Which kind of information helps you answer a scientific question, or problem statement, asked before before an experiment?

Accepted Answer

evidence

Answer

opinion

Answer

prediction

Answer

explanation

Question 24

Ricardo is doing an experiment to find out which M&M color dissolves the fastest. Which statement best explains why he should record the steps of his experiment and his observations?

Accepted Answer

so that others can repeat his experiment and get similar results

Answer

So that he can make a graph with his data

Answer

so that he can move on to another experiment

Answer

so that others cannot claim they did the same experiment

Question 25

Michelle conducted an experiment to find out how temperature affects humidity. She repeated her experiment four times. Which of the following is most likely the purpose of repeating her experiment?

Accepted Answer

to see if she gets similar results each time

Answer

to wait for better weather conditions

Answer

to change the data collected

Answer

to match her original hypothesis

Question 26

Luisa is conducting an investigation about trees. She will use a meter stick to measure the length of the trees. Which of the following best describes why Luisa should write down her measurements in a data table as part of this investigation?

Accepted Answer

to help her organize her data

Answer

to help her use a meter stick

Answer

to help her control variables

Answer

to help her plan the steps to follow

Question 27

Jada conducted a research about beavers. She concluded that beavers can be destructive. Which of the following statements provides evidence to support Jada's conclusion?

Accepted Answer

A group of beavers can cut down many trees in a single night.

Answer

The beaver is the largest rodent in North America.

Answer

Beavers communicate with one another by slapping their tails on the water

Answer

Centuries ago, tens of thousands of beavers were hunted for their fur.

Question 28

Cactuses (cacti) were studied to determine if the amount of humidity affects the growth of the plants. Which of these was the independent variable in the study?

Accepted Answer

the amount of humidity

Answer

the growth of the plant

Answer

the type of sand

Answer

the different cactuses (cacti)

Question 29

Cactuses (cacti) were studied to determine if the amount of humidity affects the growth of the plants. Which of these was the dependent (outcome/responding) variable in the study?

Accepted Answer

the growth of the plant

Answer

the type of sand

Answer

the different cactuses (cacti)

Answer

the amount of humidity

Question 30

Look at the table. Plants were grown in different environments to see if temperature affects the number of new leaves per week. Which variable is the outcome (dependent/responding) variable?

Accepted Answer

average number of leaves per week

Answer

water per day

Answer

temperature of environment

Answer

relative humidity

Question 31

Look at the table. Which factors are the constant variables?

Accepted Answer

relative humidity

Answer

water per day

Answer

temperature of environment

Answer

average number of leaves per week

Question 32

Look at the table. Plants were grown in different environments to see if temperature affects the number of new leaves per week. Which variable is the independent (manipulated/test) variable?

Accepted Answer

temperature of environment

Answer

water per day

Answer

relative humidity

Answer

average number of leaves per week

Question 33

Tessy has been growing tomato plants without fertilizer. Now, she wants to see what happens to the plants when the amount of fertilizer is increased, as shown in the chart. Which plant is the control group?

Accepted Answer

plant 1

Answer

plant 2

Answer

plant 3

Answer

plant 4

Question 34

Look at the table. Tessy has been growing tomato plants. Now, she wants to see if the amount of fertilizer affects the growth of the tomato plant. Which of these was the test (independent/manipulated) variable?

Accepted Answer

amount of fertilizer

Answer

amount of water

Answer

the height of plant

Answer

the plant number

Question 35

Look at the table. Tessy has been growing tomato plants. Now, she wants to see if the amount of fertilizer affects the growth of the tomato plant. Which of these was the outcome (dependent/responding) variable?

Accepted Answer

the height of plant

Answer

amount of water

Answer

amount of fertilizer

Answer

the plant number

Question 36

Plant 1 and 2 both have plain soil, bean seeds, and the same amount of light. Plant 2 received more water. After 5 weeks the plants are measured. Based on the data, what is the correct conclusion?

Accepted Answer

The amount of water affects the mass and the height of the plant.

Answer

The amount of water affects the height but not the mass of the plant.

Answer

The amount of water affects the mass but not the height of the plant.

Answer

The amount of water does not affect the mass or the height of the plants.

Question 37

What does this graph of plant heights show?

Accepted Answer

Plant 1 grew steadily. Plant 2 grew quickly and then stopped growing.

Answer

Plant 2 grew taller than plant 1.

Answer

Plant 1 was always taller than plant 2.

Answer

Plant 2 grew steadily. Plant 1 grew slowly at first and then grew quickly.

Question 38

Three scientists conducted the same experiment to analyze the effectiveness of a cleaning agent on household bacteria. What is the main advantage of having the experiment repeated?

Accepted Answer

The results will be more reliable

Answer

More bacteria will be destroyed

Answer

A scientific journal will publish their work

Answer

The conclusion will lead to new discoveries

Question 39

A student fed the fish in a aquarium at 8:00 a.m., 1:00 p.m., and 8:00 p.m. every day for two weeks. She observed that the fish ate more in the morning than at any other time of day. In order to verify her results, how should other students perform this experiment?

Accepted Answer

exactly the same as the first student did

Answer

conduct the experiment for three days

Answer

change the type of food fed to the fish

Answer

turn off the aquarium before each feeding

Question 40

Test (Independent) Variable...

Accepted Answer

the variable being tested in an experiment.

Answer

Something that is kept the same throughout an experiment.

Answer

A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.

Answer

A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn

Question 41

Dependent Variable...

Accepted Answer

variable that changes based on the independent variable

Answer

the variable being tested in an experiment.

Answer

A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.

Answer

A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn

Question 42

Controlled Variable...

Accepted Answer

variables you keep the same in an experiment for valid results

Answer

variable that changes based on the independent variable

Answer

the variable being tested in an experiment.

Answer

A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn

Question 43

Which safety rule is most important for students to follow when working with acids and bases?

Accepted Answer

put on saftey goggles

Answer

wear nose plugs

Answer

put away all lab supplies

Answer

wear heavy clothes

Question 44

Some frog species will bury themselves in mud if the environment becomes very dry. The frogs enter into a type of hibernation. Which would be the most likely signal for the frogs to emerge from the mud?

Accepted Answer

an increase in precipitation

Answer

a decrease in daylight hours

Answer

an increase in air temperature

Answer

a decrease in air pressure

Question 45

Students conducted a scientific investigation about soil types found in the school yard. What should the students most likely do to be sure their investigation will be understood by the class next year?

Accepted Answer

Correctly label all the data in their charts and tables

Answer

Includes the names of the students that worked on the investigation

Answer

Take a picture of the students doing the study

Answer

Give the report to the teacher

Question 46

How would a student determine the temperature of the juice that is poured into a container?

Accepted Answer

measure the juice using the thermometer

Answer

measure the weight of the juice

Answer

measure the juice using a graduated cylinder

Answer

measure the time it takes for the juice to evaporate

Question 47

A student compared the speeds at which a large and small marble rolled down an inclined plane. In order to make the findings more reliable, the student should

Accepted Answer

repeat the experiment several times

Answer

release the marbles at different lengths

Answer

tilt the plane at different angles

Answer

use two marbles that are the same size

Question 48

A laboratory test involving 2000 onion plants found that onions grew larger bulbs when more nitrogen fertilizer was added to the soil. Which would most likely improve the reliability of this test?

Accepted Answer

Duplicate the same test in another laboratory

Answer

use a different type of plant

Answer

Repeat the test with phosphorus instead of nitrogen

Answer

Develop a new type of nitrogen fertilizer to test on onions

Question 49

A student conducts an experiment to study if the size of a sugar cube effects its rate of dissolving in a beaker that contains 100 mL of water.

Drag the independent, dependent, and controlled variables for the student's experiment into the table.

Which is the independent variable?

Accepted Answer

sizer of sugar cube

Answer

temperature of water

Answer

time taken to dissolve

Question 50

A student conducts an experiment to study if the size of a sugar cube effects its rate of dissolving in a beaker that contains 100 mL of water.

Drag the independent, dependent, and controlled variables for the student's experiment into the table.

Which is the dependent variable?

Accepted Answer

time taken to dissolve

Answer

sizer of sugar cube

Answer

temperature of water

Question 51

A student conducts an experiment to study if the size of a sugar cube effects its rate of dissolving in a beaker that contains 100 mL of water.

Drag the independent, dependent, and controlled variables for the student's experiment into the table.

Which is the controlled variable?

Accepted Answer

temperature of water

Answer

sizer of sugar cube

Answer

time taken to dissolve

Question 52

Which ability is the most useful for making observations?

Accepted Answer

senses

Answer

imagination

Answer

memory

Answer

creativity

Question 53

A student plans to write a report about a type of bird that includes only facts. Which statement should the student leave out of the report

Accepted Answer

These birds are beautiful

Answer

These birds are blue

Answer

Most of these birds are 13 cm tall.

Answer

Most of these birds are about 10 grams

Question 54

It is important to perform experiments more than once in order to

Accepted Answer

make sure that the same thing happens every time

Answer

find a better way of doing things

Answer

record your results in a notebook

Answer

compare your hypothesis with the results

Question 55

Two scientists doing the same experiment got different results. Which would be the best way to figure out which result might be correct.?

Accepted Answer

More scientists should do the experiment

Answer

A group of scientists should argue about the results

Answer

The two scientists should do different experiments

Answer

A group of scientists should vote

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